Patents by Inventor Ju-won Yoon

Ju-won Yoon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210126071
    Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor including a first gate electrode, a first source region, and a first drain region, a second transistor connected to the first source region of the first transistor, a third transistor connected to the first gate electrode and the first drain region of the first transistor, a fifth transistor connected to the first source region of the first transistor, and a sixth transistor connected to the first drain region of the first transistor. The pixels include a first pixel and a second pixel disposed adjacent to each other. The first and second pixels share a fourth transistor connected to the third transistor of the first pixel and the third transistor of the second pixel, and share a seventh transistor connected to the sixth transistor of the first pixel and the sixth transistor of the second pixel.
    Type: Application
    Filed: January 4, 2021
    Publication date: April 29, 2021
    Inventors: JEONG-SOO LEE, MOO SOON KO, MIN WOO WOO, JU-WON YOON, DEUK MYUNG JI
  • Patent number: 10977471
    Abstract: A display apparatus includes a display panel, a thin film transistor including a control electrode disposed on a surface of the display panel, a semiconductor pattern overlapping with the control electrode in a plan view, an input electrode connected to a portion of the semiconductor pattern, and an output electrode connected to another portion of the semiconductor pattern, a first insulating layer disposed between the control electrode and the semiconductor pattern, a second insulating layer covering the input electrode and the output electrode, and a sensing electrode disposed between the display panel and the second insulating layer.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: April 13, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju-Won Yoon, Moosoon Ko, Youngwoo Park, Seongjun Lee
  • Patent number: 10886349
    Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor including a first gate electrode, a first source region, and a first drain region, a second transistor connected to the first source region of the first transistor, a third transistor connected to the first gate electrode and the first drain region of the first transistor, a fifth transistor connected to the first source region of the first transistor, and a sixth transistor connected to the first drain region of the first transistor. The pixels include a first pixel and a second pixel disposed adjacent to each other. The first and second pixels share a fourth transistor connected to the third transistor of the first pixel and the third transistor of the second pixel, and share a seventh transistor connected to the sixth transistor of the first pixel and the sixth transistor of the second pixel.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: January 5, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jeong-Soo Lee, Moo Soon Ko, Min Woo Woo, Ju-Won Yoon, Deuk Myung Ji
  • Patent number: 10784316
    Abstract: A display device includes a substrate including a display area and a non-display area. First, second, and third insulating layers are sequentially disposed on the substrate. Pixels are disposed in the display area. Each of the pixels including a transistor and a light emitting element connected to the transistor. A data line is disposed in the display area. The data line is configured to supply a data signal to each of the plurality of pixels. A wiring portion is disposed in the non-display area. The wiring portion includes a connecting line connected to the data line and a fan-out line connected to the connecting line. A dummy pattern is disposed in the non-display area. The dummy pattern at least partially overlaps the wiring portion.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: September 22, 2020
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Seon Lee, Moo Soon Ko, Young Woo Park, Se Wan Son, Jin Sung An, Min Woo Woo, Ju Won Yoon, Wang Woo Lee, Jeong Soo Lee, Deuk Myung Ji
  • Patent number: 10692428
    Abstract: An organic light-emitting display device having improved display quality, the organic light-emitting display device may include pixels coupled to scan lines and data lines. Each of the pixels may include a storage unit configured to store a data signal supplied to the data lines. The capacitance of the storage unit may be changed depending on a driving frequency.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: June 23, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju Won Yoon, Moo Soon Ko, Seong Jun Lee, Deuk Myung Ji
  • Publication number: 20200105854
    Abstract: An organic light emitting diode (OLED) display includes a first electrode, a pixel defining layer that at least partially exposes the first electrode, an organic light emitting layer on the first electrode, a thin-film encapsulation layer on the organic light emitting layer, and a light shielding member on the thin-film encapsulation the light shielding member overlapping the pixel defining layer. The organic light emitting layer includes a main area not overlapping the pixel defining layer and a sub area overlapping the pixel defining layer. The main area includes an open portion not overlapping the light shielding member and a shadow portion around the open portion overlapping the light shielding member.
    Type: Application
    Filed: August 23, 2019
    Publication date: April 2, 2020
    Inventors: Gun Hee KIM, Sang Ho PARK, Ju Won YOON, Seung Chan LEE, Joo Hee JEON
  • Publication number: 20200051966
    Abstract: A display device and a method for fabricating the same. The display device includes a substrate including a circuit layer and a first pad unit; an auxiliary substrate disposed below the substrate and comprising a driving circuit and a second pad unit; a light-emitting unit disposed on the circuit layer; and a connection electrode in contact with a side surface of the substrate and electrically connecting the first pad unit with the second pad unit. The method includes forming a circuit layer and a first pad unit on a first surface of a substrate; forming a driving circuit and a second pad unit on a fourth surface of an auxiliary substrate; and attaching a second surface of the substrate opposite the first surface to a third surface of the auxiliary substrate opposite the fourth surface.
    Type: Application
    Filed: April 2, 2019
    Publication date: February 13, 2020
    Inventors: Seung Chan Lee, Gun Hee Kim, Sang Ho Park, Ju Won Yoon, Joo Hee Jeon, Hyun Joon Kim
  • Patent number: 10396139
    Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a substrate and an active pattern formed over the substrate. The OLED display also includes first and second gate electrodes formed over the active pattern. The first gate electrode defines a first transistor together with the active pattern. The second gate electrode defines a second transistor and a third transistor together with the active pattern. The OLED display further includes a first conductive pattern formed over the first and second gate electrodes. The first conductive pattern overlaps at least a portion of the second and/or third transistors so as to define a parasitic capacitor.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: August 27, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju-Won Yoon, Jung-Hwa Kim, Min-Woo Woo, Il-Jeong Lee, Jeong-Soo Lee
  • Publication number: 20190229160
    Abstract: A display device includes a substrate including a display area and a non-display area. First, second, and third insulating layers are sequentially disposed on the substrate. Pixels are disposed in the display area. Each of the pixels including a transistor and a light emitting element connected to the transistor. A data line is disposed in the display area. The data line is configured to supply a data signal to each of the plurality of pixels. A wiring portion is disposed in the non-display area. The wiring portion includes a connecting line connected to the data line and a fan-out line connected to the connecting line. A dummy pattern is disposed in the non-display area. The dummy pattern at least partially overlaps the wiring portion.
    Type: Application
    Filed: October 1, 2018
    Publication date: July 25, 2019
    Inventors: JI SEON LEE, MOO SOON KO, YOUNG WOO PARK, SE WAN SON, JIN SUNG AN, MIN WOO WOO, JU WON YOON, WANG WOO LEE, JEONG SOO LEE, DEUK MYUNG JI
  • Publication number: 20190088731
    Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor including a first gate electrode, a first source region, and a first drain region, a second transistor connected to the first source region of the first transistor, a third transistor connected to the first gate electrode and the first drain region of the first transistor, a fifth transistor connected to the first source region of the first transistor, and a sixth transistor connected to the first drain region of the first transistor. The pixels include a first pixel and a second pixel disposed adjacent to each other. The first and second pixels share a fourth transistor connected to the third transistor of the first pixel and the third transistor of the second pixel, and share a seventh transistor connected to the sixth transistor of the first pixel and the sixth transistor of the second pixel.
    Type: Application
    Filed: August 8, 2018
    Publication date: March 21, 2019
    Inventors: Jeong-Soo Lee, Moo Soon Ko, Min Woo Woo, Ju-Won Yoon, Deuk Myung Ji
  • Publication number: 20180314363
    Abstract: A display apparatus includes a display panel, a thin film transistor including a control electrode disposed on a surface of the display panel, a semiconductor pattern overlapping with the control electrode in a plan view, an input electrode connected to a portion of the semiconductor pattern, and an output electrode connected to another portion of the semiconductor pattern, a first insulating layer disposed between the control electrode and the semiconductor pattern, a second insulating layer covering the input electrode and the output electrode, and a sensing electrode disposed between the display panel and the second insulating layer.
    Type: Application
    Filed: April 24, 2018
    Publication date: November 1, 2018
    Inventors: Ju-won Yoon, Moosoon Ko, Youngwoo Park, Seongjun Lee
  • Publication number: 20180286308
    Abstract: An organic light-emitting display device having improved display quality, the organic light-emitting display device may include pixels coupled to scan lines and data lines. Each of the pixels may include a storage unit configured to store a data signal supplied to the data lines. The capacitance of the storage unit may be changed depending on a driving frequency.
    Type: Application
    Filed: October 23, 2017
    Publication date: October 4, 2018
    Inventors: Ju Won YOON, Moo Soon KO, Seong Jun LEE, Deuk Myung JI
  • Patent number: 9941342
    Abstract: An organic light emitting diode display includes: a substrate; a substrate insulating layer on the substrate; a capacitor on the substrate insulating layer; a driving thin film transistor including a driving gate electrode connected to the capacitor; and an organic light emitting element connected to the driving thin film transistor, where the capacitor includes: a first capacitor electrode on the substrate insulating layer; a second capacitor electrode on the first capacitor electrode; a capacitor insulating layer between the first capacitor electrode and the second capacitor electrode and contacting the first capacitor electrode and the second capacitor electrode, the capacitor insulating layer having a higher dielectric constant than the substrate insulating layer; and an auxiliary electrode contacting at least one of the first capacitor electrode or the second capacitor electrode.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: April 10, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Choong-Youl Im, Il-Jeong Lee, Do-Hyun Kwon, Ju-Won Yoon, Moo-Soon Ko, Min-Woo Woo
  • Patent number: 9837021
    Abstract: An organic light emitting display device includes an (i?1)th pixel, an i-th pixel, and an (i+1)th pixel, each including an organic light emitting diode and a driving transistor to control a driving current flowing through the organic light emitting diode. A first node of the i-th pixel, to which a control electrode of the driving transistor of the i-th pixel is connected, is initialized to an initialization voltage in synchronization with an (i?1)th scan signal applied to the i-th pixel, and an anode of the organic light emitting diode of the i-th pixel is initialized to the initialization voltage in synchronization with an i-th scan signal applied to the (i+1)th pixel.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: December 5, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeongho Lee, Dohyun Kwon, Su-Yeon Sim, Ju-Won Yoon, Gichang Lee, Seungmin Lee, Iljeong Lee, Choongyoul Im
  • Patent number: 9831295
    Abstract: Provided are organic luminescence display and method for manufacturing the same. According to an aspect of the present invention, there is provided an organic luminescence display comprising a substrate and a plurality of pixels disposed on the substrate. The pixels comprise a plurality of first pixels, each comprising a first organic light-emitting layer, and a plurality of second pixels which are smaller than the first pixels and each of which comprises a second organic light-emitting layer. The surface roughness of the second organic light-emitting layer is greater than the surface roughness of the first organic light-emitting layer.
    Type: Grant
    Filed: March 2, 2016
    Date of Patent: November 28, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Choong Youl Im, Il Jung Lee, Do Hyun Kwon, Ju Won Yoon, Moo Soon Ko, Min Woo Woo
  • Patent number: 9721499
    Abstract: An organic light emitting diode (OLED) display including a first pixel, a second pixel, and a third pixel disposed in a matrix and first to third driving voltage lines configured to transmit a driving voltage to the first to third pixel, respectively. A width of one driving voltage line among the first to third driving voltage lines is different from the width of the other driving voltage lines.
    Type: Grant
    Filed: December 9, 2013
    Date of Patent: August 1, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Do-Hyun Kwon, Il-Jeong Lee, Choong-Youl Im, Ju-Won Yoon, Moo-Soon Ko, Min-Woo Woo
  • Publication number: 20170125499
    Abstract: A backplane for a flat panel display apparatus, includes: a thin film transistor (TFT) on a substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode; a light-blocking layer between the substrate and the TFT; a first insulating layer between the light-blocking layer and the TFT; a capacitor including a first electrode on the same plane as the light-blocking layer, and a second electrode on the first electrode, wherein the first insulating layer is between the first electrode and the second electrode; and a pixel electrode on the same plane as the light-blocking layer.
    Type: Application
    Filed: November 21, 2016
    Publication date: May 4, 2017
    Inventors: Do-Hyun Kwon, Il-Jung Lee, Choong-Youl Im, Moo-Soon Ko, Ju-Won Yoon, Min-Woo Woo
  • Patent number: 9502604
    Abstract: A backplane for a flat panel display apparatus, includes: a thin film transistor (TFT) on a substrate and including an active layer, a gate electrode, a source electrode, and a drain electrode; a light-blocking layer between the substrate and the TFT; a first insulating layer between the light-blocking layer and the TFT; a capacitor including a first electrode on the same plane as the light-blocking layer, and a second electrode on the first electrode, wherein the first insulating layer is between the first electrode and the second electrode; and a pixel electrode on the same plane as the light-blocking layer.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: November 22, 2016
    Assignee: Samsung Display Co., Ltd.
    Inventors: Do-Hyun Kwon, Il-Jung Lee, Choong-Youl Im, Moo-Soon Ko, Ju-Won Yoon, Min-Woo Woo
  • Publication number: 20160233281
    Abstract: An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a substrate and an active pattern formed over the substrate. The OLED display also includes first and second gate electrodes formed over the active pattern. The first gate electrode defines a first transistor together with the active pattern. The second gate electrode defines a second transistor and a third transistor together with the active pattern. The OLED display further includes a first conductive pattern formed over the first and second gate electrodes. The first conductive pattern overlaps at least a portion of the second and/or third transistors so as to define a parasitic capacitor.
    Type: Application
    Filed: August 24, 2015
    Publication date: August 11, 2016
    Inventors: Ju-Won YOON, Jung-Hwa KIM, Min-Woo WOO, II-Jeong LEE, Jeong-Soo LEE
  • Publication number: 20160218164
    Abstract: An organic light emitting diode display includes: a substrate; a substrate insulating layer on the substrate; a capacitor on the substrate insulating layer; a driving thin film transistor including a driving gate electrode connected to the capacitor; and an organic light emitting element connected to the driving thin film transistor, where the capacitor includes: a first capacitor electrode on the substrate insulating layer; a second capacitor electrode on the first capacitor electrode; a capacitor insulating layer between the first capacitor electrode and the second capacitor electrode and contacting the first capacitor electrode and the second capacitor electrode, the capacitor insulating layer having a higher dielectric constant than the substrate insulating layer; and an auxiliary electrode contacting at least one of the first capacitor electrode or the second capacitor electrode.
    Type: Application
    Filed: April 1, 2016
    Publication date: July 28, 2016
    Inventors: Choong-Youl Im, Il-Jeong Lee, Do-Hyun Kwon, Ju-Won Yoon, Moo-Soon Ko, Min-Woo Woo